A team of scientists developed a method to generate molecular triplets in colloidal nanocrystals through rapid spin-flip, which can be used for photochemical applications such as photon upconversion and singlet oxygen generation. The study demonstrates the potential of solution-processed semiconductor materials for new fields.
SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalChem·TypeCommentary/editorial·DateMar 24, 2022
Garmin GPSMAP 67i with inReach
Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.
Researchers from the University of Münster have successfully performed an unconventional cycloaddition, reacting a carbon-carbon double bond with a strained single bond. This method has significant synthetic benefits, allowing for the creation of polycyclic, three-dimensional carbon scaffolds.
SourceUniversity of Münster·JournalNature·TypeExperimental study·DateMar 21, 2022
The university is coordinating the second funding period of the program, which aims to develop innovative, high-performance molecular materials for various applications. The program will tackle photophysical and photochemical challenges, as well as fundamental questions associated with these materials.
SourceJohannes Gutenberg Universitaet Mainz·DateDec 15, 2021
Researchers at Dalian Institute of Chemical Physics demonstrate vibrationally excited molecular hydrogen production from water photochemistry. This process represents a further source of vibrationally excited H2 observed in the interstellar medium.
SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalNature Communications·TypeCommentary/editorial·DateNov 10, 2021
Researchers found that combining zinc oxide with small-molecule UV filter ingredients reduced UVA protection by 84.3-91.8% compared to non-mineral sunscreens. The study also showed toxic effects on zebra fish embryos when exposed to sunscreen mixtures containing zinc oxide.
SourceSpringer·JournalPhotochemical & Photobiological Sciences·DateOct 13, 2021
Researchers at Dalian Institute of Chemical Physics used the Dalian Coherent Light Source to study vacuum ultraviolet water photochemistry, identifying rotationally hot OH radicals. Highly excited 'super rotors' were observed from water photodissociation at 115.2 nm, revealing interesting dissociation mechanisms.
SourceChinese Academy of Sciences Headquarters·JournalNature Communications·DateMar 19, 2019
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.
Researchers measured urban nonmethane volatile organic compound flux, finding oxygenated compounds account for a significant portion of unaccounted emissions. Current atmospheric chemistry and climate models may underestimate global anthropogenic NMVOC emissions due to this unexpected large proportion.
SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateJan 22, 2018
Researchers found that beach umbrellas intercept direct sunlight but allow diffused ultraviolet radiation to pass through, with canvas having high absorption capacity. The study aims to improve understanding of skin cancer epidemiology and provide guidelines for UV protection.
SourceSpanish Foundation for Science and Technology·JournalPhotochemistry and Photobiology·DateJul 20, 2010
A study published in Photochemistry and Photobiology explores the potential of light-sensitive drug delivery systems for targeted therapy. The research reveals that near-infrared light can trigger medication release without causing significant heating or damaging surrounding tissues.
SourceWiley·JournalPhotochemical & Photobiological Sciences·DateMar 30, 2009